*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body{
    display: flex;
    justify-content: center;
    align-items: center;
}
#loader{
    position: relative;
    width: 100vw;
    height:100vh;
    background: #fff url(ploader-img.gif) no-repeat center;
    z-index: 999;
    /* display: none; */
}
table{
    margin: auto;
}
body
{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
.iphone
{   z-index: 1;
    position: absolute;
    top: 50%; 
    left:50%;
    width: 280px;
    height: 540px;
    background: #000;
    transform: translate(-50%,-50%);
    border-radius: 35px;
    box-shadow: inset 0 0 5px rgb(255, 255, 255) ,
                  0 100px 150px rgba(0,0,0,.4);
}
.screen{
    content: '';
    position: absolute;
    top: 15px;
    left: 15px;
    width: calc(100% - 30px);
    height: calc(100% - 30px);
    border-radius: 25px;
    background-color: #262626;
    /* background: url(iphone_x.jpg); */
    /* background-size: cover; */
}
.iphone:after{
    content: '';
    position: absolute;
    top: 14px;
    left: 50%;
    width: 130px;
    height: 17px;
    background:#000;
    transform: translate(-50%);
    border-bottom-left-radius: 10px;
    border-bottom-right-radius: 10px;
}
.cal_main{
    height: 90%;
    background-color: rgba(37, 35, 35, 1);
    border-radius:25px;
    text-align: center;
    /* display: none; */
    background-color: #262626;
}
#cal_screen{
    font-size: 55px;
    font-weight: normal;
    height: 60px;
    width: 220px;
    border: none;
    background-color: #262626;
    color: aliceblue;
    margin: 80px 5px 5px 5px;
    text-align: right;
}
.cal_main table{
    position: absolute;
    bottom: 3%;
    margin: 0px 2px 0px 9px;
}
.cal_main button{
    font-size:30px;
    color: aliceblue;
    background-color: #3d3d3d;
    border:none;
    border-radius: 50%;
    width: 55px;
    height: 55px;
    cursor: pointer;
}
.cal_main .yel_btn{
    background-color:#d8c304 ;
    color: aliceblue;
}
.cal_main .grey_btn{
    color: #000;
    background-color: gray;
}
#js_time{
    margin: 4px 8px 0px 15px;
    font-size: 10px;
    color: aliceblue;
    font-weight: 550;
}